Windows 10: Windows server 2016 failed to add features and roles

Hello, so I'm getting a failed to install features and roles because the reference assembly could not be found, 0x80073701, I was wondering if anybody has come across this issue, I need to set up a vpn, but it fails to install remote access

:)

 

Windows Server 2012 R2 Server Manager Failed to retrieve the list of roles and components

Windows Server 2012 R2 Server Manager Failed to retrieve the list of roles and components while I'm trying to Add roles and features.

Also it doesn't give me a list from Windows Powershell (running as Admin): Get-Windows Features - ntProviderException.

sfc /scannow, RestoreHealth, SFCFix.exe
did not help.

Help me, please!

 

Removing Global Catalog role from server 2016 - Error

I was trying to replace a 2016 server with another server. While I was doing it, I remove Global Catalog role from the old server (running server 2016). I had to get up to do something before I can demote (remove ad role from it). I was doing it remotely
using RMM and splashtop. Now I can ping it from the new server but cannot remote into it nor manage it remotely. (Not from cmd, not from server manager and so on).

Server Manager shows Error - Cannot manage the operating system of the target computer. I tried rebooting it with shutdown -i and shutdown -m but nothing works. Shutdown -i says failed to connect to registry and shutdown -m says error 53.

I added the GC role but still getting error. I'm able to see event viewer and saw that it was getting Kerberos error.

Can anyone help me?

Thanks,

 

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